There are 867 fourteen-letter words containing A, M, N, O and S, https://www.bestwordlist.com/c/a/5/14letterwordswithamnos.htm ABDOMINOPLASTY ABOMINABLENESS ABORIGINALISMS ABSTEMIOUSNESS ABSTENTIONISMS ABSTRACTIONISM ACCLIMATATIONS ACCOMMODATIONS ACCOMPANIMENTS ACCOMPLISHMENT ACCOUSTREMENTS ACCUSTOMATIONS ACCUSTOMEDNESS ACETAMINOPHENS ACTINOMORPHIES ACTINOMORPHOUS ACTINOMYCETOUS ACTINOURANIUMS ADIATHERMANOUS ADMINISTRATION ADMINISTRATORS AERENCHYMATOUS AERODYNAMICIST AEROMODELLINGS AGGIORNAMENTOS AGGLOMERATIONS AIRCRAFTSWOMAN AIRCRAFTSWOMEN ALDOSTERONISMS AMARANTHACEOUS AMINOACIDURIAS AMINOPEPTIDASE AMINOPHYLLINES AMPHIBIOUSNESS AMPLIFICATIONS ANAMORPHOSCOPE ANATOMISATIONS ANATOMIZATIONS ANDROCENTRISMS ANDRODIOECISMS ANDROMONOECISM ANGIOSARCOMATA ANGIOSTOMATOUS ANIMADVERSIONS ANIMALISATIONS ANIMALIZATIONS ANISOMETROPIAS ANNEXATIONISMS ANONYMISATIONS ANONYMIZATIONS ANTHROPOMORPHS ANTHROPOPHUISM ANTHROPOTOMIES ANTIALCOHOLISM ANTICOMMUNISMS ANTICOMMUNISTS ANTIFORMALISMS ANTIFORMALISTS ANTIHOMOSEXUAL ANTILOGARITHMS ANTIMICROBIALS ANTIMODERNISTS ANTIMONARCHIST ANTIMONOPOLIES ANTIMONOPOLIST ANTINOMIANISMS ANTISOCIALISMS ANTISPASMODICS ANTITERRORISMS APPENDECTOMIES APPORTIONMENTS APPROXIMATIONS ARGUMENTATIONS AROMATISATIONS AROMATIZATIONS ARRONDISSEMENT ASSOCIATIONISM ASTRONOMICALLY AUTOCHTHONISMS AUTOIMMUNITIES AUTOMATISATION AXIOMATISATION BALSAMINACEOUS BAMBOOZLEMENTS BENZIMIDAZOLES BILDUNGSROMANS BIOASTRONOMIES BIOINFORMATICS BIOREGIONALISM BITUMINISATION BLAMESTORMINGS BRAINSTORMINGS CALAMITOUSNESS CAMPANOLOGISTS CAMPANULACEOUS CARAMELISATION CARCINOMATOSES CARCINOMATOSIS CARCINOSARCOMA CASTRAMETATION CATECHOLAMINES CEREMONIALISMS CEREMONIALISTS CERULOPLASMINS CHLOROMETHANES CHOLANGIOGRAMS CHOLESTYRAMINE CHONDROMATOSES CHONDROMATOSIS CHONDROSAMINES CHROMODYNAMICS CHYMIFICATIONS CINEMATOGRAPHS CLIOMETRICIANS COADMINISTERED COASTGUARDSMAN COASTGUARDSMEN COCHAIRMANSHIP COGNOMINATIONS COMMANDANTSHIP COMMANDERSHIPS COMMEMORATIONS COMMENSALITIES COMMENSURATELY COMMENSURATION COMMISERATIONS COMMISSIONAIRE COMMONSENSICAL COMMUNAUTAIRES COMMUNICATIONS COMMUNISATIONS COMMUNITARIANS COMMUNIZATIONS COMMUTABLENESS COMPAGINATIONS COMPANIONHOODS COMPANIONSHIPS COMPARABLENESS COMPASSIONABLE COMPASSIONATED COMPASSIONATES COMPASSIONLESS COMPATIBLENESS COMPENSABILITY COMPENSATIONAL COMPLIABLENESS CONCEPTUALISMS CONCERTMASTERS CONCOMITANCIES CONGLOMERATORS CONNUMERATIONS CONSERVATORIUM CONTAMINATIONS CONTEMPLATIONS CONTEMPLATISTS CONTEMPLATIVES CONTEMPORARIES CONTINENTALISM CONTRABANDISMS CONTRARIANISMS CONTUMACIOUSLY COSCINOMANCIES COSTARDMONGERS COTEMPORANEOUS COUNTERDEMANDS COUNTERMARCHES COUNTERMEASURE COUNTERSTREAMS CRANIOMETRISTS CRYSTALLOMANCY CUSTOMISATIONS CUSTOMIZATIONS CYANOGENAMIDES CYTOTAXONOMIES CYTOTAXONOMIST DAMNIFICATIONS DEAMINISATIONS DEAMINIZATIONS DECAMETHONIUMS DECIMALISATION DECOMPENSATING DECOMPENSATION DECONTAMINANTS DECONTAMINATES DEFEMINISATION DEHUMANISATION DEMETHYLATIONS DEMOBILISATION DEMONETARISING DEMONETISATION DEMONSTRATIONS DEMONSTRATIVES DEMORALISATION DEMORALISINGLY DEMYELINATIONS DEPHLEGMATIONS DETERMINATIONS DEXAMETHASONES DIAMANTIFEROUS DIAMONDIFEROUS DIAPHANOMETERS DIMENSIONALITY DISACCUSTOMING DISAFFIRMATION DISAMBIGUATION DISAPPOINTMENT DISCOMMENDABLE DISCONFORMABLE DISCOURAGEMENT DISCRIMINATION DISCRIMINATORS DISCRIMINATORY DISEMBARKATION DISESTIMATIONS DISHARMONISING DISHARMONIZING DISIMPASSIONED DISINFORMATION DISSEMINATIONS DISSIMILATIONS DISSIMULATIONS DOCTRINAIRISMS DOCUMENTALISTS DOCUMENTARIANS DOCUMENTARISED DOCUMENTARISES DOCUMENTARISTS DOCUMENTARIZES DOCUMENTATIONS DODECAPHONISMS DOGMATICALNESS DOGMATISATIONS DOGMATIZATIONS DOLOMITISATION DOMESTICATIONS DOMICILIATIONS DOSIMETRICIANS DRAMATISATIONS DRAMATIZATIONS DYSMENORRHOEAL DYSMENORRHOEAS ECONOMISATIONS ECONOMIZATIONS ELECTROMAGNETS EMIGRATIONISTS EMOTIONALISING EMOTIONALISTIC EMOTIONALITIES EMULSIFICATION ENANTIODROMIAS ENCEPHALOGRAMS ENCOMPASSMENTS ENCOURAGEMENTS ENCYCLOPAEDISM ENDEAVOURMENTS ENDOPARASITISM ENDOSMOTICALLY ENTOMOSTRACANS ENTOMOSTRACOUS ENVENOMISATION EPITOMISATIONS EPITOMIZATIONS EUDEMONISTICAL EXCEPTIONALISM EXCOMMUNICATES EXTEMPORANEOUS EXTENSIONALISM EXTERMINATIONS FASHIONMONGERS FASHIONMONGING FATHOMLESSNESS FEARMONGERINGS FEARSOMENESSES FERROMAGNESIAN FERROMAGNETISM FERROMANGANESE FLAGELLOMANIAS FORAMINIFERANS FORAMINIFEROUS FORESTALLMENTS FORMALISATIONS FORMALIZATIONS FORMIDABLENESS FRACTIONALISMS FRAGMENTATIONS FRONTIERSWOMAN FUNAMBULATIONS FUNCTIONALISMS GALACTOSAMINES GALVANOMETRIES GALVANOTROPISM GAMESOMENESSES GENERALISSIMOS GENERATIONISMS GENTLEMANHOODS GEODYNAMICISTS GEOMETRISATION GERMANISATIONS GERMANIZATIONS GIGANTOMACHIAS GIGANTOMACHIES GLADSOMENESSES GLAMORISATIONS GLAMORIZATIONS GLAMOUROUSNESS GONADECTOMISED GYNAECOMASTIAS GYNAECOMASTIES GYNANDROMORPHS GYROMAGNETISMS HAEMATOGENESES HAEMATOGENESIS HAEMODILUTIONS HAEMORRHAGINGS HANDSOMENESSES HAPLOSTEMONOUS HARMONIOUSNESS HARMONISATIONS HARMONIZATIONS HATEMONGERINGS HEXAMETHONIUMS HEXOSAMINIDASE HOMOGENISATION HOMOTRANSPLANT HOUGHMAGANDIES HYDROMAGNETICS HYDROMECHANICS HYDROXYLAMINES HYMENOPLASTIES HYPERROMANTICS HYPOCHONDRIASM HYPOMAGNESEMIA HYPOMENORRHEAS HYPONATRAEMIAS ICONOMATICISMS IMMISERISATION IMMISERIZATION IMMOBILISATION IMMODERATENESS IMMOVEABLENESS IMMUNOASSAYIST IMPENETRATIONS IMPERFORATIONS IMPERSONALISED IMPERSONALISES IMPERSONALIZED IMPERSONALIZES IMPERSONATIONS IMPIGNORATIONS IMPOSTHUMATING IMPOSTHUMATION IMPOSTUMATIONS IMPRESSIONABLE IMPRESSIONALLY IMPROBABLENESS IMPROPRIATIONS IMPROVABLENESS IMPROVISATIONS INCOMMENSURATE INCOMPLIANCIES INCRIMINATIONS INDECOMPOSABLE INDEMONSTRABLE INDEMONSTRABLY INFAMOUSNESSES INFORMATICIANS INHARMONIOUSLY INSPIRATIONISM INSURMOUNTABLE INSURMOUNTABLY INTERACTIONISM INTERCOMPANIES INTERFEROGRAMS INTERMEDIATORS INTUITIONALISM IRRATIONALISMS ISOMERISATIONS ISOMERIZATIONS KINEMATOGRAPHS LAMPADOMANCIES LARYNGECTOMEES LARYNGECTOMIES LEGITIMISATION LEMMATISATIONS LEMMATIZATIONS LIBERATIONISMS LIQUIDATIONISM LOGNORMALITIES LYMPHOADENOMAS MACADAMISATION MACCHERONCINIS MACHICOLATIONS MACRODIAGONALS MACROECONOMICS MACROGLOBULINS MACROMUTATIONS MACRONUCLEUSES MACRONUTRIENTS MACROPINACOIDS MACROPINAKOIDS MACROSPORANGIA MAGNETISATIONS MAGNETIZATIONS MAGNETOMETRIES MAGNETOSPHERES MAGNETOSPHERIC MAGNETOSTATICS MAGNIFICATIONS MAGNILOQUENCES MALABSORPTIONS MALACOSTRACANS MALADAPTATIONS MALDEPLOYMENTS MALLEMAROKINGS MALODOROUSNESS MANGOLDWURZELS MANIFESTATIONS MANIFOLDNESSES MARKETISATIONS MARKETIZATIONS MARSIPOBRANCHS MARTYRISATIONS MARTYRIZATIONS MARVELLOUSNESS MASSIFICATIONS MASTIGOPHORANS MATCHBOARDINGS MATRICULATIONS MATRONLINESSES MECHANISATIONS MECHANIZATIONS MEDIATISATIONS MEDIATIZATIONS MEDICALISATION MEGALOPOLITANS MEGALOSAURIANS MEGASPORANGIUM MELANCHOLINESS MELLIFICATIONS MENDACIOUSNESS MERCERISATIONS MERCERIZATIONS MESENCEPHALONS MESENCHYMATOUS MESMERISATIONS MESMERIZATIONS METACOGNITIONS METACOMPUTINGS METAFICTIONIST METALLISATIONS METALLIZATIONS METAMORPHOSING METENCEPHALONS METHODICALNESS METHODISATIONS METHODIZATIONS METRIFICATIONS METRONIDAZOLES MICROANATOMIES MICROCRACKINGS MICROFILAMENTS MICRONISATIONS MICRONIZATIONS MICROORGANISMS MICROPLANKTONS MICROPULSATION MICROSPORANGIA MICROSPORIDIAN MILITARISATION MILLIONNAIRESS MINERALISATION MINERALOGISING MIRACULOUSNESS MISACCEPTATION MISADVENTUROUS MISALLOCATIONS MISANTHROPICAL MISANTHROPISTS MISANTHROPOSES MISAPPLICATION MISASSUMPTIONS MISATTRIBUTION MISCALCULATION MISCATALOGUING MISCEGENATIONS MISCOMPUTATION MISCORRELATION MISESTIMATIONS MISEVALUATIONS MISGOVERNANCES MISGOVERNAUNCE MISINFORMATION MISOBSERVANCES MISOGYNISTICAL MISORIENTATION MISPERSUASIONS MISPROGRAMMING MISPUNCTUATION MISSIONARISING MISSIONARIZING MISSIONISATION MISSIONIZATION MISTRANSLATION MISUTILISATION MISUTILIZATION MOCKUMENTARIES MODERATENESSES MODERNISATIONS MODERNIZATIONS MODIFIABLENESS MOLLIFICATIONS MONGRELISATION MONOCHROMASIES MONOCHROMATICS MONOCHROMATISM MONOCHROMATORS MONOGAMOUSNESS MONOLINGUALISM MONOMETALLISMS MONOMETALLISTS MONOPHOSPHATES MONOPOLISATION MONOSACCHARIDE MONOSYLLABISMS MONOTHEISTICAL MONOUNSATURATE MONUMENTALISED MONUMENTALISES MONUMENTALIZES MORDACIOUSNESS MORPHINOMANIAS MORPHOSYNTAXES MORTIFICATIONS MOUNTAINBOARDS MOUNTEBANKINGS MOUNTEBANKISMS MOUSETRAPPINGS MOVEABLENESSES MUCILAGINOUSLY MUCOMEMBRANOUS MULTILOCATIONS MULTINATIONALS MUMMIFICATIONS MUNDIFICATIONS MUSICALISATION MUSICALIZATION MUTUALISATIONS MUTUALIZATIONS MYLONITISATION MYSTIFICATIONS MYTHICISATIONS MYTHICIZATIONS NANOCOMPOSITES NARCOTERRORISM NEMATODIRIASES NEMATODIRIASIS NEOCAPITALISMS NEOCLASSICISMS NEOCOLONIALISM NEOGRAMMARIANS NEOLIBERALISMS NEOPLASTICISMS NEPHROBLASTOMA NEUROANATOMIES NEUROANATOMIST NEUROBLASTOMAS NEUROCHEMICALS NEWSPAPERWOMAN NEWSPAPERWOMEN NOMINALISATION NONATTACHMENTS NONCHARISMATIC NONCHROMOSOMAL NONCOMPLIANCES NONDIMENSIONAL NONENGAGEMENTS NONFILAMENTOUS NONHOMOSEXUALS NONINSTALLMENT NONMAINSTREAMS NONMANAGEMENTS NONMECHANISTIC NONMONETARISTS NONPROGRAMMERS NONSYMMETRICAL NORMALISATIONS NORMALIZATIONS NORMOGLYCEMIAS OCCASIONALISMS OCCIDENTALISMS OLEOMARGARINES OMBUDSMANSHIPS OMPHALOMANCIES ONOMASIOLOGIES ONOMATOLOGISTS ONOMATOPOIESES ONOMATOPOIESIS OPERATIONALISM OPTIMALISATION ORCHIDOMANIACS ORGANISMICALLY ORNAMENTATIONS ORNITHOMANCIES ORTHOGNATHISMS OSMOREGULATION OUTMANIPULATES OVERADJUSTMENT OVERASSESSMENT OVERCOMPENSATE OVERDOMINANCES OVERENTHUSIASM OVERESTIMATING OVERESTIMATION OVERSTATEMENTS OVERTREATMENTS PALEOMAGNETISM PALEOMAGNETIST PALMIFICATIONS PANCHROMATISMS PANHARMONICONS PANOPHTHALMIAS PANRADIOMETERS PARAJOURNALISM PARENCHYMATOUS PARONOMASTICAL PARSIMONIOUSLY PARTITIONMENTS PERAMBULATIONS PERIMENOPAUSAL PERIMENOPAUSES PHALLOCENTRISM PHANTASMAGORIA PHANTASMAGORIC PHARYNGOTOMIES PHENOMENALISED PHENOMENALISES PHENOMENALISMS PHENOMENALISTS PHENOMENALIZES PHYSHARMONICAS PHYSIOGNOMICAL PIEZOMAGNETISM PINEALECTOMIES PINEALECTOMISE PLOUGHMANSHIPS PNEUMATOLOGIES PNEUMATOLOGIST PNEUMATOMETERS PNEUMATOPHORES PNEUMOBACILLUS PNEUMODYNAMICS PNEUMOGASTRICS PNEUMOTHORACES PNEUMOTHORAXES POCOCURANTEISM POCOCURANTISMS POLEMONIACEOUS POLYDAEMONISMS POLYMERISATION POLYNOMIALISMS POSTAMPUTATION POSTMENOPAUSAL POSTMILLENNIAL POSTTREATMENTS PRAGMATISATION PREADMONISHING PREADMONITIONS PREDOMINANCIES PREDOMINATIONS PREMEDICATIONS PREMEDITATIONS PRENOMINATIONS PREORDAINMENTS PROLETARIANISM PRONOMINALISED PRONOMINALISES PRONOMINALIZES PROPERISPOMENA PROTOACTINIUMS PROVINCIALISMS PSEUDOMEMBRANE PSILANTHROPISM PSYCHODYNAMICS QUADRIGEMINOUS QUARTODECIMANS QUATTROCENTISM RADIOSTRONTIUM RAMBUNCTIOUSLY RAMPAGEOUSNESS RANDOMISATIONS RANDOMIZATIONS RAPPROCHEMENTS REACTIONARISMS REACTIONARYISM REAFFIRMATIONS REAPPOINTMENTS RECOMBINATIONS RECOMPILATIONS RECOMPUTATIONS RECONTAMINATES RECRIMINATIONS REEXAMINATIONS REFASHIONMENTS REFORMATIONIST REFORMULATIONS REGIMENTATIONS REIMPORTATIONS REMOBILISATION REMONETISATION REMONSTRATIONS REMORALISATION RESTIMULATIONS RESTORATIONISM RETINOBLASTOMA RETRANSFORMING RETRANSMISSION RHABDOMANTISTS RHINOSCLEROMAS RHYTHMISATIONS RHYTHMIZATIONS ROENTGENOGRAMS SANSCULOTTISMS SCANDALMONGERS SCAPULOMANCIES SCAREMONGERING SCHEMATISATION SCHEMATIZATION SEDIMENTATIONS SEMIAUTONOMOUS SEMICARBAZONES SEMICONSONANTS SEMIPALMATIONS SEMIPORCELAINS SENSATIONALISM SEPARATIONISMS SEROTAXONOMIES SERVOMECHANISM SIMPLIFICATION SIMULTANEOUSES SIMULTANEOUSLY SOLEMNISATIONS SOLEMNIZATIONS SOLIFIDIANISMS SOMATOTROPHINS SOMATOTROPINES SOMNAMBULANCES SOMNAMBULATING SOMNAMBULATION SOMNAMBULATORS SOMNAMBULISTIC SPERMATOGENIES SPERMATOGENOUS SPERMATOGONIAL SPERMATOGONIUM SPLENOMEGALIES SPOKESMANSHIPS SPORTFISHERMAN SPORTSMANLIEST SPORTSMANSHIPS SQUAMOSENESSES SQUAMOUSNESSES STATIONMASTERS STEAMROLLERING STERNOMASTOIDS STIGMATISATION STIGMATIZATION STOMACHFULNESS STONEMASONRIES SUBNORMALITIES SUFFUMIGATIONS SULFONMETHANES SULPHONMETHANE SUMMARISATIONS SUMMARIZATIONS SUPERDOMINANTS SUPERIMPORTANT SUPERNORMALITY SUPERORGANISMS SUPERPHENOMENA SWORDSMANSHIPS SYMBIONTICALLY SYMBOLICALNESS SYMBOLISATIONS SYMBOLIZATIONS SYMMETRISATION SYMMETRIZATION SYMPTOMATISING SYMPTOMATIZING SYNAPOMORPHIES SYNAPOSEMATISM SYRINGOMYELIAS SYSTEMISATIONS SYSTEMIZATIONS TAUTOCHRONISMS TELEJOURNALISM TELOMERISATION TEMPORALNESSES TEMPORISATIONS TEMPORIZATIONS TESTIMONIALISE TESTIMONIALIZE TETRADRACHMONS THAUMATOGENIES THEANTHROPISMS THEMATISATIONS THEMATIZATIONS THERMALISATION THERMOBALANCES THERMODYNAMICS THERMOSTATTING THROMBOKINASES THROMBOPLASTIN TOLERATIONISMS TOTIPALMATIONS TRADITIONALISM TRANSABDOMINAL TRANSAMINATION TRANSCRIPTOMES TRANSFORMATION TRANSFORMATIVE TRANSFORMISTIC TRANSMIGRATION TRANSMIGRATORS TRANSMIGRATORY TRANSMISSIONAL TRANSMOGRIFIED TRANSMOGRIFIES TRANSMUTATIONS TRAUMATISATION TREPONEMATOSES TREPONEMATOSIS TRIAMCINOLONES TRICHOMONIASES TRICHOMONIASIS TRIDIMENSIONAL TRIMETHADIONES TRIPERSONALISM TROUBLEMAKINGS ULTRAMARATHONS ULTRAMODERNISM ULTRAMODERNIST ULTRAMONTANISM ULTRAMONTANIST ULTRAROMANTICS UMBRAGEOUSNESS UNACCOMPLISHED UNACCUSTOMEDLY UNDECOMPOSABLE UNDEMONSTRABLE UNDEMONSTRATED UNDOMESTICATED UNDOMESTICATES UNHANDSOMENESS UNIDIMENSIONAL UNMENTIONABLES UNROMANTICISED UNSURMOUNTABLE VERMICULATIONS VICTIMISATIONS VICTIMIZATIONS VOCATIONALISMS VOUCHSAFEMENTS WOMANISHNESSES XANTHOCHROISMS XANTHOCHROMIAS XANTHOMELANOUS ZOMBIFICATIONS